activer record_update - Printable Version +- CodeIgniter Forums (https://forum.codeigniter.com) +-- Forum: Archived Discussions (https://forum.codeigniter.com/forumdisplay.php?fid=20) +--- Forum: Archived Development & Programming (https://forum.codeigniter.com/forumdisplay.php?fid=23) +--- Thread: activer record_update (/showthread.php?tid=50254) |
activer record_update - El Forum - 03-20-2012 [eluser]Josssi[/eluser] hi people, i am sloving ona problem with update one field in my DB. I need to increase 'stack' in table 'customers' for actually $id adding $sum to currently value in 'stack'. In active record manual i didnt find correct reason, so i tried to write something like below: function updateStack($id, $sum) { $this->db->where('id', $id) ->set('stack', 'stack+'.$sum) ->update('customers'); } Something gets wrong and i dont know where should be a problem. Can somebody give me an advice how to do it correctly please? activer record_update - El Forum - 03-20-2012 [eluser]Josssi[/eluser] i just want to say, that in this state, this functuion in the field 'stack' add 0. activer record_update - El Forum - 03-20-2012 [eluser]smilie[/eluser] Haven't tested, but try: ->set('stack = stack + '.$sum,'',FALSE) Cheers, Smilie activer record_update - El Forum - 03-20-2012 [eluser]Josssi[/eluser] thank you very much for reaction...finally somebody ...it tried to write it like in your version, but it gives me this error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE `id` = '8'' at line 1 UPDATE `customers` SET `stack` = stack +3 = WHERE `id` = '8' Filename: E:\wamp\www\diplomka\system\database\DB_driver.php Could hou helm me whad did I do bad plese? activer record_update - El Forum - 03-20-2012 [eluser]Josssi[/eluser] well, now is all ok, i tried again my version, but now with last param FALSE. Now it goes. I didnt understand meaning of this param before |